Home / 2,819.13-4,228.74-1,357.98

Finding the Fourth Proportional to 2,819.13, 4,228.74 and 1,357.98

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Solution

The fourth proportional to 2,819.13, 4,228.74 and 1,357.98 is: 2,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.13 : 4,228.74 = 1,357.98 : x
  2. Step 2: Convert to fraction form
    2,819.13/4,228.74 = 1,357.98/x
  3. Step 3: Cross multiply
    2,819.13x = 4,228.74 × 1,357.98
  4. Step 4: Simplify right side
    2,819.13x = 5,742,544.35
  5. Step 5: Solve for x
    x = 5,742,544.35/2,819.13
  6. Step 6: Final answer
    x = 2,036.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.